Amgen Inc (AMGN)

Operating profit margin

		Dec 31, 2024	Sep 30, 2024	Jun 30, 2024	Mar 31, 2024	Dec 31, 2023	Sep 30, 2023	Jun 30, 2023	Mar 31, 2023	Dec 31, 2022	Sep 30, 2022	Jun 30, 2022	Mar 31, 2022	Dec 31, 2021	Sep 30, 2021	Jun 30, 2021	Mar 31, 2021	Dec 31, 2020	Sep 30, 2020	Jun 30, 2020	Mar 31, 2020
Operating income (ttm)	US$ in thousands	7,258,000	6,218,000	6,192,000	6,967,000	7,897,000	7,878,000	7,780,000	7,272,000	6,480,000	7,532,000	7,987,000	6,639,000	7,639,000	7,343,000	7,418,000	8,913,000	9,139,000	9,179,000	9,202,000	9,557,000
Revenue (ttm)	US$ in thousands	33,424,000	32,534,000	30,934,000	29,532,000	28,190,000	26,833,000	26,582,000	26,190,000	26,323,000	26,330,000	26,384,000	26,316,000	25,979,000	25,767,000	25,484,000	25,164,000	25,424,000	24,987,000	24,301,000	23,966,000
Operating profit margin		21.71%	19.11%	20.02%	23.59%	28.01%	29.36%	29.27%	27.77%	24.62%	28.61%	30.27%	25.23%	29.40%	28.50%	29.11%	35.42%	35.95%	36.74%	37.87%	39.88%

December 31, 2024 calculation

Operating profit margin = Operating income (ttm) ÷ Revenue (ttm)
= $7,258,000K ÷ $33,424,000K
= 21.71%

Amgen Inc's operating profit margin has exhibited fluctuations over the years based on the provided data. The trend shows a gradual decline in the operating profit margin from March 31, 2020, at 39.88%, to December 31, 2024, at 21.71%. There were periods of both increases and decreases during the timeframe.

In the initial years, the operating profit margin decreased gradually, indicating potential challenges in managing operational costs relative to revenue. However, in the later years, there was some fluctuation, with occasional improvements followed by declines. The lowest point observed was on December 31, 2024, at 21.71%.

Overall, the trend suggests that Amgen Inc may have faced challenges in maintaining strong operating profit margins during the period under review. Further analysis would be required to determine the factors contributing to the fluctuations and to identify any areas for improvement in operational efficiency.